Nikko alpha 440 pwr sm
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Extracted text from Nikko alpha 440 pwr sm (Ocr-read)
Page 1
ALPHA440
STEREO POWER AMPLIFIER
TYPE AND VOLTAGE
T
W-TYPE: UL and CSA type I 120V AC
E ~TYPE: NK~STD type 220V AC
SERVICE MANUAL
CONTENTS
SPECIFICATIONS ................................................................... 1
BLOCK DIAGRAM .................................................................. 2
DISASSEMBLY ..................................................................... 3
CIRCUIT DESCRIPTION .......................................................... 4 ~ 6
ALIGNMENT .................................................................... 7 ~ 9
SCHEMATIC DIAGRAM ......................................................... IO, 11
RC. BOARD .................................................................. 12~15
PARTS LOCATION ............................................................... . 16
POWER TRANSISTORS MOUNTING ASSEMBLY ....................................... . 17
PARTS LIST ................................................................. 18~ 20
SEMICONDUCTOR DATA,
TRANSISTORS .............................................................. . 21
FIELD EFFECT TRANSISTORS .................................................. . 2I
DIODES, LED'S ............................................................. . 21
ZENER DIODES ............................................................. . 21
INTEGRATED CIRCUITS .................................................... 22, 23